BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC
N-30D, 1996-06-27
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- --------------------------------------------------------------------------------
              THE BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC.
                       SEMI-ANNUAL REPORT TO SHAREHOLDERS
                          REPORT OF INVESTMENT ADVISER
- --------------------------------------------------------------------------------

                                                                    May 31, 1996

Dear Trust Shareholder:

    After posting  strong  returns  during 1995,  the fixed income  markets have
given  back much of their  gains in 1996 in  response  to a  strengthening  U.S.
economy.  Accelerating  economic  growth has raised  concerns about an increased
inflationary   environment,   which  could  erode  the  value  of  fixed  income
investments.  The  stronger  economy  also has led some market  participants  to
consider the possibility that the Federal Reserve may increase interest rates to
thwart  inflation  threats after three  interest rate  reductions  over the past
twelve months.

    Despite the pick-up in economic growth, we believe that current inflationary
fears will  subside.  Commodity  prices have risen but  manufacturers  will have
difficulty  passing  along the  increased  costs of raw  materials to consumers,
whose debt levels as a percentage of disposable  income are at the highest point
since the recessionary highs of 1990. We believe that the overleveraged consumer
will have to retrench,  restricting  future  economic  expansion  and creating a
positive environment for bonds in the latter half of this year.

    The following  semi-annual  report provides detailed market commentary and a
review of portfolio  management  activity.  We believe that BlackRock's duration
controlled  management  style and risk management  capabilities  will allow each
of our Trusts to achieve its long-term investment objective.

    We look forward to  maintaining  your respect and  confidence and to serving
your financial needs in the coming years.

Sincerely,



Laurence D. Fink                       Ralph L. Schlosstein
Chairman                               President
    

                                       1

<PAGE>

                                                                    May 31, 1996

Dear Shareholder:

    We  are  pleased  to  present  the  semi-annual  report  for  The  BlackRock
Investment  Quality  Municipal Trust Inc. ("the Trust") for the six months ended
April 30,  1996.  We would like to take this  opportunity  to review the Trust's
stock price and net asset value (NAV) performance, summarize market developments
and discuss recent portfolio management activity.

    The Trust is a  diversified,  actively  managed  closed-end  bond fund whose
shares are traded on the New York Stock  Exchange  under the symbol  "BKN".  The
Trust's  investment  objective is to provide high current  income that is exempt
from regular federal income tax consistent with the preservation of capital. The
Trust seeks to achieve this  objective by investing in  investment  grade (rated
"AAA" to "BBB" by a major rating  agency or of  equivalent  quality)  tax-exempt
general   obligation  and  revenue  bonds  issued  by  city,  county  and  state
municipalities throughout the United States.

    The table below  summarizes  the  performance of the Trust's stock price and
net asset value  over the period:

                          ------------------------------------------------------
                            4/30/96    10/31/95    Change      High       Low
- --------------------------------------------------------------------------------
  Stock Price               $12.25      $12.00      2.08%     $13.00   $11.875
- --------------------------------------------------------------------------------
  Net Asset Value (NAV)     $13.92      $14.18     (1.83%)    $14.84   $13.87
- --------------------------------------------------------------------------------


The Fixed Income Markets

    The  domestic  fixed  income  markets  witnessed  two  profoundly  different
environments  during the past six months,  providing an exciting and challenging
environment  in which to manage the Trust.  The  Treasury  market  rally of 1995
continued through the middle of February 1996, as market demand for fixed income
securities remained strong due to a combination of moderate economic growth, low
absolute  levels of inflation  and two  reductions of the Fed funds target rate.
The rally halted during mid-February,  however, as data indicating  accelerating
economic growth, in conjunction with a sharp rise in commodity prices, rekindled
inflationary  concerns.  Positive  news  for  the  economy  which  may  indicate
increased  levels of inflation can cause bond yields to rise and prices to fall.
The  March  8  release  of  the  February  employment  report,  which  showed  a
surprisingly  strong gain of 705,000 new jobs (subsequently  revised downward to
624,000), produced the largest one-day price decline in U.S. bond prices in over
seven years.  For the first quarter of 1996,  economic growth as measured by GDP
grew 2.8%,  which  represented a strong rebound from the 0.5% gain posted in the
fourth quarter of 1995.

    Municipal bond performance  mirrored that of its Treasury  counterparts,  as
yields declined  through early 1996 before rising with the taxable bond market's
reversal  in  February.  Municipals  lagged  the  Treasury  market in the fourth
quarter of 1995 for three main reasons:  1) supply  increased in response to the
lower interest rate environment; 2) the tremendous performance of the U.S. stock
market may have weakened seasonal demand from municipal bond coupon payments and
redemptions; and 3) the specter of tax reform throughout 1995 increased investor
concerns over the tax-free advantage of municipal income, which could be reduced
by tax reform  exempting all investment  income from taxation.  During the first
quarter  of  1996,  however,   municipals   outperformed  taxable  fixed  income
securities as the probability of impending tax reform  decreased  significantly,
thereby  increasing  demand from both retail investors and institutions  such as
property & casualty insurance companies.

                                       2

<PAGE>


     BlackRock  believes that municipal  bonds have the potential to continue to
outperform  Treasury  securities  for the remainder of 1996.  The recent rise in
interest  rates  has  put  a  substantial  new  issuance  calendar  on  hold  as
municipalities  wait for interest rates to come down,  creating favorable supply
and demand conditions.  Additionally,  the decreased  probability of significant
tax reform being enacted should  continue to attract  investors to the municipal
bond market.


The Trust's Portfolio and Investment Strategy

    The Trust's  portfolio is actively managed to diversify  exposure to various
sectors,  issuers,  revenue sources and security types.  BlackRock's  investment
strategy  emphasizes  a  relative  value  approach,  which  allows  the Trust to
capitalize  upon  changing  market  conditions  by rotating  municipal  sectors,
credits and coupons.

    Additionally,  the Trust  employs  leverage at about 35% of total  assets to
enhance its income by borrowing at short term municipal  rates and investing the
proceeds in longer maturity issues which have higher yields. The degree to which
the Trust can  benefit  from its use of  leverage  may affect its ability to pay
high monthly income. During the first four months of 1996, the steepening of the
municipal yield curve, a result of longer maturity  municipal bond yields rising
while shorter  maturities  did not,  widened the yield spread  between short and
long municipals and resulted in more profitable leverage for the Trust.

    Since the third quarter of 1995,  the Trust has been favoring 10- to 20-year
callable premium coupon bonds over par bonds and non-callable alternatives.  Due
to their defensive structure,  premium bonds  characteristically  outperform par
bonds in a rising  interest rate  environment.  As  anticipated,  premium coupon
bonds  posted  significant  outperformance  relative  to par bonds as rates rose
between  February  and April.  The Trust has  maintained  its emphasis on higher
credit  quality,  consistently  holding over half of its assets in  AAA/AA-rated
bonds. In order to pick up additional  yield, the balance of the portfolio has a
concentration  in BBB rated bonds,  which  generally  offer a substantial  yield
spread over AAA municipals.  As the yield advantage of owning BBB bonds narrows,
the Trust expects to scale back its weighting and increase  allocation to higher
credit bonds.

    The following  charts compare the Trust's current and October 31, 1995 asset
composition and credit quality allocations:


                                Sector Breakdown
        ---------------------------------------------------------------
          Sector                   April 30, 1996    October 31, 1995
        ---------------------------------------------------------------
          Transportation                 18%                15%
        ---------------------------------------------------------------
          City, County & State           12%                16%
        ---------------------------------------------------------------
          Lease Revenue                  11%                10%
        ---------------------------------------------------------------
          Pollution Control              11%                 -
        ---------------------------------------------------------------
          Hospital                        9%                 8%
        ---------------------------------------------------------------
          Power                           8%                 -
        ---------------------------------------------------------------
          University                      7%                 7%
        ---------------------------------------------------------------
          Housing                         7%                 5%
        ---------------------------------------------------------------
          Tax Revenue                     5%                 1%
        ---------------------------------------------------------------
          Industrial                      4%                13%
        ---------------------------------------------------------------
          Water & Sewer                   3%                 -
        ---------------------------------------------------------------
          Miscellanous Revenue            2%                10%
        ---------------------------------------------------------------
          Resource Recovery               2%                 4%
        ---------------------------------------------------------------
          Utility                         1%                11%
        ---------------------------------------------------------------


                                       3

<PAGE>

        -----------------------------------------------------------------
          Standard & Poor's/Moody's
               Credit Rating         April 30, 1996    October 31, 1995
        -----------------------------------------------------------------
                 AAA/Aaa                    4%                53%
        -----------------------------------------------------------------
                 AA/Aa                      5%                 5%
        -----------------------------------------------------------------
                 A/A                       15%                11%
        -----------------------------------------------------------------
                 BBB/Baa                   31%                31%
        -----------------------------------------------------------------
                 
We look  forward  to  continuing  to  manage  the  Trust  to  benefit  from  the
opportunities  available to investors in the investment grade municipal  market.
We  thank  you for your  investment  and  continued  interest  in The  BlackRock
Investment  Quality  Municipal Trust Inc. Please feel free to call our marketing
center at (800) 227-7BFM  (7236) if you have any specific  questions  which were
not addressed in this report.


Sincerely,




Robert Kapito                               Kevin Klingert
Vice Chairman and                           Managing Director and 
  Portfolio Manager                           Portfolio Manager
BlackRock Financial Management, Inc.        BlackRock Financial Management, Inc.



- --------------------------------------------------------------------------------
              The BlackRock Investment Quality Municipal Trust Inc.
- --------------------------------------------------------------------------------
  Symbol on New York Stock Exchange:                             BKN
- --------------------------------------------------------------------------------
  Initial Offering Date:                                  February 19, 1993
- --------------------------------------------------------------------------------
  Closing Stock Price as of 4/30/96:                            $12.25
- --------------------------------------------------------------------------------
  Net Asset Value as of 4/30/96:                                $13.92
- --------------------------------------------------------------------------------
  Yield on Closing Stock Price as of 4/30/96 ($12.25)1:          6.43%
- --------------------------------------------------------------------------------
  Current Monthly Distribution per Share2:                     $0.06563
- --------------------------------------------------------------------------------
  Current Annualized Distribution per Share2:                  $0.7875
- --------------------------------------------------------------------------------
  1Yield on Closing Stock Price is calculated by dividing the current annualized
distribution per share by the closing stock price per share.
2The Distribution is not constant and is subject to change.

                                       4

<PAGE>

<TABLE>
- -----------------------------------------------------------------------------------------------------------------------------------
The BlackRock Investment Quality Municipal Trust Inc.
Portfolio of Investments
April 30, 1996 (Unaudited)
- -----------------------------------------------------------------------------------------------------------------------------------
<CAPTION>
        Principal                                                                                      Option
         Amount                                                                                         Call               Value
Rating*   (000)                                 Description                                           Provisions++        (Note 1)
- -----------------------------------------------------------------------------------------------------------------------------------
<S>      <C>        <C>                                                                                <C>             <C>
                    LONG-TERM INVESTMENTS-153.7%
                    California-16.6%
A1       $ 3,800    California Poll. Cntrl. Rec., Fin. Auth. Res., Ser. A, 7.15%, 2/01/11 ...........   2/01 at 103    $  4,087,052
Baa        3,000    Foothill Eastern Trans. Corridor Agcy., Toll Rd., Ser. A, Zero Coupon, 1/01/07 ..  No Opt. Call       1,761,510
AAA       15,460    Los Angeles Cnty. Asset Leasing Corp. Rev., 3.80%+, 12/01/07, AMBAC .............  No Opt. Call      16,096,952
AAA        6,000    Riverside Elec. Rev., 5.00%, 10/01/13, AMBAC ....................................  10/03 at 100       5,415,480
AAA        3,700    Sacramento Util. Dist. Elec. Rev., Ser. B, 6.375%, 8/15/22, MBIA ................   8/02 at 102       3,823,469
                    University of California Rev., Research Facs., Ser. B,
A-         2,000      6.10%, 9/01/10 ................................................................   9/03 at 102       2,008,920
A-         3,305      6.20%, 9/01/11 ................................................................   9/03 at 102       3,307,975
A-         2,000      6.25%, 9/01/12 ................................................................   9/03 at 102       2,013,060
                                                                                                                       ------------
                                                                                                                         38,514,418
                                                                                                                       ------------
                    Colorado-10.1%
                    Arapahoe Cnty. Cap. Impvt. Hwy. Rev., Trust Fund, Ser. E,
Baa        3,100      Zero Coupon, 8/31/04 ..........................................................  No Opt. Call       1,778,129
Baa        2,000      Zero Coupon, 8/31/07 ..........................................................8/05 at 89.239         923,960
Baa        2,250      6.90%, 8/31/15 ................................................................   8/05 at 103       2,358,630
                    Denver City & Cnty. Arpt. Rev.,
Baa        3,000      Ser. C, 6.50%, 11/15/06 .......................................................  11/02 at 102       3,105,300
Baa        1,120      Ser. C, 6.65%, 11/15/05 .......................................................  11/02 at 102       1,178,083
Baa       13,790      Ser. D, 7.00%, 11/15/25 .......................................................  11/01 at 100      14,107,722
                                                                                                                       ------------
                                                                                                                         23,451,824
                                                                                                                       ------------
                    District of Columbia-0.8%
AAA        1,900    District of Columbia, G.O., Ser. E, 6.00%, 6/01/09, CAPMAC ......................   6/03 at 102       1,903,040
                                                                                                                       ------------
                    Florida-3.4%
AAA        1,780    Florida Hsg. Fin. Agcy. Rev., Sngl. Fam. Mtg., Ser. 1994-A, 6.55%, 7/01/14 ......   1/05 at 102       1,838,882
BBB        3,400    Florida St. Mid-Bay Bridge Auth. Rev., Ser. A, 6.10%, 10/01/22 ..................  10/03 at 102       3,283,108
AAA        3,000    Sarasota Cnty. Sld. Wst. Sys. Rev., 5.50%, 10/01/16, AMBAC ......................  10/06 at 102       2,875,050
                                                                                                                       ------------
                                                                                                                          7,997,040
                                                                                                                       ------------
                    Georgia-3.7%
AAA        6,000    Georgia Mun. Pwr. & Elec. Auth., Ser. T, 6.50%, 1/01/25, FGIC ...................   1/99 at 100       6,199,980
AA+        2,250    Georgia St. Hsg. & Fin. Auth. Rev., Sngl. Fam. Mtg., Ser. C, 7.00%, 12/01/15, FHA  12/04 at 102       2,352,083
                                                                                                                       ------------
                                                                                                                          8,552,063
                                                                                                                       ------------
                    Illinois-11.7%
AAA        4,000    Berwyn Rev., Macneal Memorial Hosp. Assn. Proj., 6.00%, 6/01/09, AMBAC ..........   6/08 at 100       4,070,520
                    Chicago Ohare Int'l. Arpt. Rev., MBIA,
AAA        5,600      Ser. A, 5.00%, 1/01/18 ........................................................   1/04 at 102       4,906,216
AAA        7,000      Ser. C, 6.375%, 1/01/15 .......................................................   1/05 at 102       7,217,280
                    Illinois Edl. Facs. Auth. Rev., Loyola Univ., FGIC,
AAA        5,000      4.10%+, 7/01/13 ...............................................................   7/03 at 102       4,787,250
AAA        4,000      5.45%, 7/01/14 ................................................................   7/03 at 102       3,787,520
BBB-       2,500    Metropolitan Pier & Expo Auth. Hosp., McCormick Place Con., 6.25%, 7/01/17 ......   7/06 at 102       2,391,700
                                                                                                                       ------------
                                                                                                                         27,160,486
                                                                                                                       ------------
                    Indiana-3.9%
Baa2       8,595    Indianapolis Arpt. Auth. Rev., Spl. Facs. Fed. Express Corp. Proj., 7.10%, 1/15/17  7/04 at 102       9,077,437
                                                                                                                       ------------
</TABLE>
                       See Notes to Financial Statements.



                                       5

<PAGE>

<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------------------------------------------------------------
        Principal                                                                                      Option
         Amount                                                                                         Call               Value
Rating*   (000)                                 Description                                           Provisions++        (Note 1)
- -----------------------------------------------------------------------------------------------------------------------------------
<S>      <C>        <C>                                                                                <C>             <C>
                    Kentucky-6.2%
AAA      $15,000    Kentucky St. Tpke. Auth., Econ. Dev. Road Rev., 3.95%+, 7/01/13, AMBAC ..........   7/03 at 102    $ 14,533,800
                                                                                                                       ------------
                    Louisiana-9.4%
AAA       14,400    Louisiana Pub. Facs. Auth. Hosp. Rev., Our Lady of the Lake Regl. Med. Ctr.,
                      4.19%+, 12/01/22, FSA .........................................................  12/03 at 102      13,546,512
AAA        7,860    Louisiana Stadium & Expo Dist., Ser. B, 6.375%, 7/01/25, FGIC ...................   7/05 at 102       8,203,796
                                                                                                                       ------------
                                                                                                                         21,750,308
                                                                                                                       ------------
                    Maryland-6.5%
Aa         9,985    Maryland St. Dept. Hsg. & Comn. Dev. Admin., Sngl. Fam. Prog., 
                      Ser. 2, 6.55%, 4/01/26 ........................................................   4/05 at 102      10,193,687
A          5,000    Northeast Waste Disp. Auth. Rev., Sld. Wst., Montgomery Cnty. Res. Rec. Proj., 
                      Ser. A, 6.30%, 7/01/16 ........................................................   7/03 at 102       4,953,100
                                                                                                                       ------------
                                                                                                                         15,146,787
                                                                                                                       ------------
                    Massachusetts-2.4%
AAA        5,750    University of Lowell Bldg. Auth., Ser. A, 5.625%, 11/01/14, AMBAC ...............  11/05 at 102       5,490,445
                                                                                                                       ------------
                    Michigan-3.6%
AAA        3,500    Berkley City Sch. Dist., G.O., 5.625%, 1/01/15, FGIC ............................   1/05 at 101       3,359,930
Baa1       2,840    Dickinson Cnty. Econ. Dev. Corp., Poll. Ctrl. Rev., 
                      Champion Intl. Corp. Proj., 5.85%, 10/01/18 ...................................  10/03 at 102       2,699,988
AAA        2,200    Wyandotte Elec. Rev., 6.25%, 10/01/17, MBIA .....................................  10/02 at 102       2,283,028
                                                                                                                       ------------
                                                                                                                          8,342,946
                                                                                                                       ------------
                    Missouri-3.3%
                    Lake Of The Ozarks Comn. Bridge,
NR         2,000      6.25%, 12/01/16 ...............................................................  12/06 at 102       1,882,800
NR         2,000      6.40%, 12/01/25 ...............................................................  12/06 at 102       1,876,580
AA         3,925    Missouri St. Env. Imp. & Energy Res. Auth., Poll. Ctrl. Rev., 5.50%, 12/01/10 ...  12/06 at 101       3,856,980
                                                                                                                       ------------
                                                                                                                          7,616,360
                                                                                                                       ------------
                    Nevada-1.6%
AAA        3,750    Washoe Cnty. Arpt. Auth., Arpt. Sys. Impvt. Rev., Ser. B, 5.80%, 7/01/09, MBIA ..   7/03 at 102       3,814,275
                                                                                                                       ------------
                    New Jersey-7.6%
Baa        1,200    New Jersey Hlth. Care Facs. Fin. Auth. Rev., Englewood Hosp. & Med. Ctr.,
                      6.70%, 7/01/15 ................................................................   7/04 at 102       1,210,056
AAA       18,250    New Jersey St. Trans. Sys. Auth. Trust Fund, Ser. A, 5.00%, 6/15/15, MBIA .......   6/05 at 102      16,432,118
                                                                                                                       ------------
                                                                                                                         17,642,174
                                                                                                                       ------------
                    New York-25.9%
                    New York City, G.O.,
Baa1       8,000      Ser. E, 6.25%, 2/15/07 ........................................................   2/05 at 101       8,051,440
Baa1       7,100      Ser. B, 6.375%, 8/15/09 .......................................................   8/05 at 101       7,113,277
Baa1       7,000      Ser. H, 7.20%, 2/01/13 ........................................................ 2/02 at 101.5       7,380,800
Baa1       3,000      Ser. B, 7.25%, 8/15/07 ........................................................  No Opt. Call       3,300,090
                    New York City Ind. Dev. Agcy. Spec. Fac. Rev., Term. One Group Assoc. Proj.,  
A          4,000      6.00%, 1/01/07 ................................................................   1/04 at 102       4,062,000
A         20,535      6.00%, 1/01/15 ................................................................   1/04 at 102      19,902,316
Baa1       3,000    New York St. Dorm. Auth. Rev., St. Univ. Edl. Facs., Ser. B, 6.10%, 5/15/09 .....   5/04 at 102       2,979,090
Baa        1,955    New York St. Hsg. Fin. Agcy. Rev., Hlth. Facs. of New York City, 
                      Ser. A, 6.375%, 11/01/04 ......................................................  No Opt. Call       2,007,492
AAA        5,000    New York St. Med. Care Facs. Rev., New York Hosp., Ser. A, 6.60%, 2/15/09, AMBAC.   2/05 at 102       5,453,800
                                                                                                                       ------------
                                                                                                                         60,250,305
                                                                                                                       ------------
                    North Carolina-3.3%
                    North Carolina Eastn. Mun. Pwr. Agcy. Rev., Ser. B,
A          2,200      6.00%, 1/01/22 ................................................................  No Opt. Call       2,116,268
AAA        5,000      7.00%, 1/01/08, CAPMAC ........................................................  No Opt. Call       5,627,950
                                                                                                                       ------------
                                                                                                                          7,744,218
                                                                                                                       ------------
                    Ohio-1.3%
Aa3        3,000    Ohio St. Wtr. Dev. Auth., Sld. Wst. Disps., North Star BHP Steel Cargill,
                      6.30%, 9/01/20 ................................................................   9/05 at 102       3,038,280
                                                                                                                       ------------
</TABLE>

                       See Notes to Financial Statements.

                                       6

<PAGE>

<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------------------------------------------------------------
        Principal                                                                                      Option
         Amount                                                                                         Call               Value
Rating*   (000)                                 Description                                           Provisions++        (Note 1)
- -----------------------------------------------------------------------------------------------------------------------------------
<S>      <C>        <C>                                                                                <C>             <C>
                    Pennsylvania-6.7%
AAA      $ 3,000    Exeter Twsp. Auth. Swr. Rev., Berks Cnty., 6.20%, 7/15/22, MBIA .................   7/02 at 100    $  3,038,970
AAA        2,200    Harrisburg Auth. Wtr. Dist., 5.875%, 6/18/15, FGIC ..............................   7/03 at 102       2,170,124
AAA       10,100    Lehigh Cnty. Gen. Purpose Auth. Rev., St. Lukes Hosp. Bethlehem Proj., 
                      4.00%+, 11/15/13, AMBAC .......................................................  11/03 at 102       9,491,576
AA+        1,000    Pennsylvania Hsg. Fin. Auth. Sngl. Fam. Mtg., 6.20%, 10/01/14 ...................  10/05 at 102       1,001,480
                                                                                                                       ------------
                                                                                                                         15,702,150
                                                                                                                       ------------
                    Rhode Island-1.7%
AA+        3,845    Rhode Island Hsg. & Mtg. Fin., Homeownership Oppty., Ser. 15-B, 6.75%, 10/01/17 .   4/04 at 102       3,969,809
                                                                                                                       ------------
                    South Carolina-0.8%
A2         2,000    Darlington Cnty. Indl. Dev., Sonoco Prods. Co. Proj., 6.00%, 4/01/26 ............   4/06 at 102       1,922,320
                                                                                                                       ------------
                    Tennessee-3.7%
A-         8,500    Maury Cnty. Ind. Dev. Brd. Poll. Ctrl. Rev., Saturn Corp. Proj., 6.50%, 9/01/24 .   9/04 at 102       8,709,270
                                                                                                                       ------------
                    Texas-6.9%
A2         4,000    Brazos River Auth. Rev., Coll-Houston Light & Pwr. Co. Proj., 
                      Ser. A, 7.875%, 11/01/18 ......................................................  11/96 at 102       4,136,280
Aa         6,000    Harris Cnty., 5.00%, 10/01/17 ...................................................  10/05 at 100       5,393,580
AAA        4,000    Harris Cnty. Toll Rd. Senior Lien, 5.00%, 8/15/16, FGIC .........................   8/04 at 102       3,546,080
AAA        1,335    Laredo, Ref., 5.25%, 2/15/13 ....................................................   2/06 at 100       1,275,512
AAA        1,800    Tarrant Cnty. Hlth. Facs. Sys., Harris Methodist Hlth. Sys., 
                      5.125%, 9/01/12, AMBAC ........................................................   9/06 at 102       1,663,308
                                                                                                                       ------------
                                                                                                                         16,014,760
                                                                                                                       ------------
                    Virginia-4.5%
A          3,500    Braxton Cnty. Sld. Wst. Auth., Weyerhaeuser Co. Proj., 6.50%, 4/01/25 ...........   4/05 at 102       3,551,135
AAA        7,640    Upper Occoquan Swr. Auth., 5.00%, 7/01/15, MBIA .................................   7/06 at 102       6,920,159
                                                                                                                       ------------
                                                                                                                         10,471,294
                                                                                                                       ------------
                    Washington-3.1%
AAA        7,000    Washington St. Pub. Pwr. Supply Sys. Rev., Nuclear Proj. No. 1, Ser. A,  
                      6.25%, 7/01/17, MBIA ..........................................................   7/02 at 102       7,156,520
                                                                                                                       ------------
                    Wyoming-5.0%
Baa2      11,255    Sweetwater Cnty. Sld. Wst. Disp. Rev., FMC Corp. Proj., Ser. A, 7.00%, 6/01/24 ..   6/04 at 102      11,620,562
                                                                                                                       ------------
                    Total Long-Term Investments (cost $357,147,409)                                                     357,592,891
                                                                                                                       ------------
                    SHORT-TERM INVESTMENTS**-0.5%
                    Connecticut-0.1%
A1+          200    Connecticut St. Dev. Auth. Poll. Ctrl. Rev., Western Mass. Elec. Co., Ser. A,  
                      3.95%, 5/03/96, FRDD ..........................................................                       200,000
                                                                                                                       ------------
                    Mississipi-0.1%
P1           200    Jackson Cnty. Poll. Ctrl., 4.00%, 5/03/96, FRDD .................................                       200,000
                                                                                                                       ------------
                    New York-0.3%
A1+          700    New York City, G.O., Ser. B, 4.20%, 5/03/96, FGIC, FRDD .........................                       700,000
                                                                                                                       ------------
                    Total Short-Term Investments (cost $1,100,000) ..................................                     1,100,000
                                                                                                                       ------------
                    Total Investments-154.2% (cost $358,247,409) ....................................                   358,692,891
                    Other assets in excess of liabilities-1.70% .....................................                     3,915,208
                    Liquidation value of preferred stock-(55.90)% ...................................                  (130,000,000)
                                                                                                                       ------------
                    Net Assets Applicable to Common Shareholders-100% ...............................                  $232,608,099
                                                                                                                       ============
<FN>
- ------------
 * Rating: Using the higher of Standard & Poor's, Moody's or Fitch's rating.
** For  purposes  of  amortized  cost  valuation,  the  maturity  date of  these
   instruments is considered  to be the earlier  of the next  date on which  the
   security  can  be  redeemed  at  par  or  the  next date on which the rate of
   interest is adjusted.
 + These bonds contain embedded caps. See glossary for definition.
++ Option call provisions:  date (month/year) and prices of the earliest call or
   redemption.  There  may  be  other call provisions at varying prices at later
   dates.
</FN>
</TABLE>

<TABLE>
- ------------------------------------------------------------------------------------------------------
         THE FOLLOWING ABBREVIATIONS ARE USED IN PORTFOLIO DESCRIPTIONS:
<S>      <C>                                               <C>    <C>   
AMBAC  - American Municipal Bond Assurance Corporation     FSA  - Financial Security Assurance
CAPMAC - Capital Markets Assurance Corporation             FRDD - Floating Rate Daily Demand**
FHA    - Federal Housing Administration                    G.O. - General Obligation Bond
FGIC   - Financial Guaranty Insurance Company              MBIA - Municipal Bond Insurance Association
- ------------------------------------------------------------------------------------------------------
</TABLE>
                           
                       See Notes to Financial Statements.

                                       7

<PAGE>

(Left column)

- --------------------------------------------------------------------------------
The BlackRock Investment
Quality Municipal Trust Inc.
Statement of Assets and Liabilities
April 30, 1996 (Unaudited)
- --------------------------------------------------------------------------------

Assets
Investments, at value
  (cost $358,247,409) (Note 1) .................................   $358,692,891
Cash ...........................................................         58,884
Receivable for investments sold ................................     18,185,428
Interest receivable ............................................      6,388,267
Deferred organization expenses and other assets ................         54,266
                                                                   ------------
                                                                    383,379,736
                                                                   ------------
Liabilities
Payable for investments purchased ..............................     19,924,643
Dividends payable-common stock .................................        254,770
Dividends payable-preferred stock ..............................        219,700
Advisory fee payable (Note 2) ..................................        104,820
Administration fee payable (Note 2) ............................         44,907
Other accrued expenses .........................................        222,797
                                                                   ------------
                                                                     20,771,637
                                                                   ------------
Net Investment Assets ..........................................   $362,608,099
                                                                   ============

Net investment assets were comprised of:
  Common stock:
    Par value (Note 4) .........................................   $    167,071
    Paid-in capital in excess of par ...........................    232,077,765
  Preferred stock (Note 4) .....................................    130,000,000
                                                                   ------------
                                                                    362,244,836

  Undistributed net investment income ..........................        344,652
  Accumulated net realized loss ................................       (426,871)
  Net unrealized appreciation ..................................        445,482
                                                                   ------------
  Net investment assets, April 30, 1996 ........................   $362,608,099
                                                                   ============
  Net assets applicable to common
    shareholders ...............................................   $232,608,099
                                                                   ============
Net asset value per common share:
  ($232,608,099 / 16,707,093 shares of
  common stock issued and outstanding) .........................         $13.92
                                                                         ======

(Right column)

- --------------------------------------------------------------------------------
The BlackRock Investment
Quality Municipal Trust Inc.
Statement of Operations
Six Months Ended April 30, 1996 (Unaudited)
- --------------------------------------------------------------------------------

Net Investment Income

Income
  Interest and discount earned ...................................  $10,316,258
                                                                    -----------
Expenses
  Investment advisory ............................................      649,240
  Administration .................................................      278,246
  Auction agent ..................................................      162,000
  Reports to shareholders ........................................       46,000
  Custodian ......................................................       44,000
  Directors ......................................................       24,000
  Audit ..........................................................       18,000
  Transfer agent .................................................       12,000
  Legal ..........................................................        4,000
  Miscellaneous ..................................................       88,402
                                                                    -----------
  Total expenses .................................................    1,325,888
                                                                    -----------
Net investment income ............................................    8,990,370
                                                                    -----------

Realized and Unrealized Gain (Loss) on
  Investments (Note 3)
Net realized gain on investments .................................    4,671,282
Net change in unrealized appreciation 
  (depreciation) on investments ..................................   (8,810,173)
                                                                    -----------
Net loss on investments ..........................................   (4,138,891)
                                                                    -----------

Net Increase in Net Investment Assets
  Resulting from Operations ......................................  $ 4,851,479
                                                                    ===========

See Notes to Financial Statements.

                                       8

<PAGE>

- --------------------------------------------------------------------------------
The BlackRock Investment
Quality Municipal Trust Inc.
Statements of Changes in
Net Investment Assets (Unaudited)
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                                                 Six Months          Year
                                                                                    Ended           Ended
                                                                                  April 30,       October 31,
Increase (Decrease) in Net Investment Assets                                         1996            1995
                                                                                     ----            ----
<S>                                                                             <C>              <C>

Operations:
  Net investment income .....................................................   $  8,990,370     $ 18,339,846
  Net realized gain on investments ..........................................      4,671,282        4,428,547
  Net change in unrealized appreciation (depreciation) on investments .......     (8,810,173)      31,800,161
                                                                                ------------     ------------
  Net increase in net investment assets resulting from operations ...........      4,851,479       54,568,554  

Dividends  and  distributions:   
  To common shareholders from net investment income .........................     (6,578,286)     (13,783,161) 
  To common shareholders in excess of net realized gain on investments ......       (239,692)            - 
  To preferred shareholders from net investment income ......................     (2,326,109)      (5,137,617)  
  To preferred shareholders in excess of net realized gain on investments ...        (89,343)            -
                                                                                ------------     ------------
                                                                                  (9,233,430)     (18,920,778)
                                                                                ------------     ------------
Capital stock transactions:
  Additional capital charge with respect to the issuance of shares ..........              -             (782)
                                                                                ------------     ------------
      Total increase (decrease) .............................................     (4,381,951)      35,646,994

Net Investment Assets
Beginning of period .........................................................    366,990,050      331,343,056
                                                                                ------------     ------------
End of period ...............................................................   $362,608,099     $366,990,050
                                                                                ============     ============
</TABLE>
                       See Notes to Financial Statements.

                                       9

<PAGE>

- --------------------------------------------------------------------------------
The BlackRock Investment
Quality Municipal Trust Inc.
Financial Highlights (Unaudited)
- --------------------------------------------------------------------------------

<TABLE>
<CAPTION>
                                                                                                                  For the Period
                                                                                                                       Ended
                                                                    Six Months                                     February 26,
                                                                      Ended           Year Ended October 31,          1993*
                                                                    April 30,        ----------------------       to October 31,
PER COMMON SHARE OPERATING PERFORMANCE:                                1996            1995            1994            1993
                                                                       ----            ----            ----            ----
<S>                                                                 <C>             <C>             <C>             <C>     
Net asset value, beginning of period ............................   $  14.18        $  12.05        $  14.76        $  14.10
                                                                    --------        --------        --------        --------
  Net investment income .........................................       0.54            1.10            1.06            0.66
  Net realized and unrealized gain (loss) on investments ........      (0.25)           2.16           (2.64)           0.74
                                                                    --------        --------        --------        --------
Net increase (decrease) from investment operations ..............       0.29            3.26           (1.58)           1.40
                                                                    --------        --------        --------        --------
Dividends and Distributions:
  Dividends from net investment income to:
    Common shareholders .........................................      (0.39)          (0.82)          (0.90)          (0.45)
    Preferred shareholders ......................................      (0.14)          (0.31)          (0.21)          (0.11)
  Distributions in excess of net realized gain on investments to:
    Common shareholders .........................................      (0.01)            -               -               -
    Preferred shareholders ......................................      (0.01)            -               -               -
                                                                    --------        --------        --------        --------
      Total dividends and distributions .........................      (0.55)          (1.13)          (1.11)          (0.56)
                                                                    --------        --------        --------        --------
  Capital charge with respect to issuance of shares .............        -               -             (0.02)          (0.18)
                                                                    --------        --------        --------        --------
Net asset value, end of period** ................................   $  13.92        $  14.18        $  12.05        $  14.76#    
                                                                    ========        ========        ========        ========
Market value, end of period** ...................................   $  12.25        $  12.00        $ 10.375        $ 14.125
                                                                    ========        ========        ========        ========
TOTAL INVESTMENT RETURN+ ........................................      5.34%          24.01%         (20.98%)          3.36%
                                                                    ========        ========        ========        ========
RATIOS TO AVERAGE NET ASSETS OF COMMON SHAREHOLDERS:+++
Expenses ........................................................      1.11%++         1.16%           1.14%           1.04%++
Net investment income ...........................................      7.50%++         8.36%           7.80%           6.86%++

SUPPLEMENTAL DATA:
Average net assets of common shareholders (in thousands) ........   $240,955        $219,740        $226,935        $236,810
Portfolio turnover ..............................................        77%            182%            210%            110% 
Net assets of common shareholders, end of period (in thousands) .   $232,608        $236,990        $201,343        $246,631
Preferred stock outstanding (in thousands) ......................   $130,000        $130,000        $130,000        $130,000
Asset coverage per share of preferred stock, end of period ......   $ 69,732        $ 70,575        $127,440        $144,858
 
<FN>
  * Commencement of investment operations. 
 ** Net asset value and market value are  published  in The Wall Street  Journal
    each Monday.
  # Net asset value  immediately  after the closing of the first public offering
    was $14.05.
  + Total investment return is calculated assuming a purchase of common stock at
    the current  market price on the first day and a sale at the current  market
    price on the last day of the period reported.  Dividends and  distributions,
    if any, are assumed for purposes of this  calculation,  to be  reinvested at
    prices  obtained  under  the  Trust's  dividend   reinvestment  plan.  Total
    investment return does not reflect brokerage  commissions.  Total investment
    returns for periods of less than one year are not annualized.
 ++ Annualized. 

+++ Ratios are calculated on the basis of income and expenses applicable to both
    the common and preferred  stock relative to the average net assets of common
    shareholders.  Ratios do not  reflect  the effect of  dividend  payments  to
    preferred shareholders.

Contained above is unaudited  operating  performance for a share of common stock
outstanding,  total  investment  return,  ratios to average net assets and other
supplemental  data  for  the  periods  indicated.   This  information  has  been
determined based upon financial information provided in the financial statements
and market value data for the Trust's shares.
</FN>
</TABLE>

                       See Notes to Financial Statements.

                                       10

<PAGE>

(Left column)

- --------------------------------------------------------------------------------
The BlackRock Investment
Quality Municipal Trust Inc.
Notes to Financial Statements
(Unaudited)
- --------------------------------------------------------------------------------


Note 1. Accounting   The BlackRock  Investment Quality Municipal Trust Inc. (the
Policies             "Trust") was  organized in Maryland on November 19, 1992 as
                     a diversified,  closed-end  management  investment company.
The Trust had no transactions  until February 16, 1993 when it sold 7,093 shares
of common  stock for  $100,012 to  BlackRock  Financial  Management,  Inc.  (the
"Adviser"). Investment operations commenced on February 26, 1993.

    The Trust's  investment  objective is to manage a  diversified  portfolio of
investment-grade  securities to achieve high current  income exempt from regular
Federal income tax consistent with the  preservation of capital.  The ability of
issuers of debt  securities  held by the Trust to meet their  obligations may be
affected by economic developments in a specific industry or region. No assurance
can be given that the Trust's investment objective will be achieved.

    The following is a summary of significant  accounting  policies  followed by
the Trust.

Securities Valuation:  Municipal securities  (including  commitments to purchase
such  securities  on a  "when-issued"  basis)  are valued on the basis of prices
provided  by  a  pricing  service  which  uses   information   with  respect  to
transactions  in bonds,  quotations  from bond dealers,  market  transactions in
comparable   securities  and  various   relationships   between   securities  in
determining values. Any securities or other assets for which such current market
quotations  are not readily  available are valued at fair value as determined in
good faith under procedures established by and under the general supervision and
responsibility of the Trust's Board of Directors.

    Short-term  securities  which  mature  in more  than 60 days are  valued  at
current market quotations. Short-term securities which mature in 60 days or less
are valued at amortized cost, if their term to maturity from date of purchase is
60 days or less, or by amortizing their value on the 61st day prior to maturity,
if their original term to maturity from date of purchase exceeded 60 days.

Option  Selling/Purchasing:  When the Trust  sells or  purchases  an option,  an
amount  equal to the  premium  received  or paid by the Trust is  recorded  as a
liability or an asset and is  subsequently  adjusted to the current market value
of the
option  written  or  purchased.  Premiums  received  or  paid  from  writing  or
purchasing  options  which  expire  unexercised  are treated by the Trust on the
expiration date as realized gains or losses.  The difference between the premium
and the  amount  paid or  received  on  effecting  a  closing  


(Right column)

purchase or sale transaction,  including brokerage commissions,  is also treated
as a realized  gain or loss.  If an option is  exercised,  the  premium  paid or
received  is added to the  proceeds  from  the sale or cost of the  purchase  in
determining  whether  the  Trust  has  realized  a gain or a loss on  investment
transactions.  The  Trust,  as writer of an  option,  may have no  control  over
whether the underlying securities may be sold (call) or purchased (put) and as a
result  bears  the  market  risk of an  unfavorable  change  in the price of the
security underlying the written option.

Financial  Futures  Contracts:  A futures  contract is an agreement  between two
parties to buy and sell a financial instrument for a set price on a future date.
Initial margin deposits are made upon entering into futures contracts and can be
either  cash or  securities.  During the period the  futures  contract  is open,
changes in the value of the  contract  are  recognized  as  unrealized  gains or
losses by  "marking-to-market"  on a daily basis to reflect the market  value of
the contract at the end of each day's  trading.  Variation  margin  payments are
made or  received,  depending  upon  whether  unrealized  gains  or  losses  are
incurred. When the contract is closed, the Trust records a realized gain or loss
equal to the  difference  between  the  proceeds  from (or cost of) the  closing
transaction and the Trust's basis in the contract.

    Financial futures  contracts,  when used by the Trust, help in maintaining a
targeted duration.  Duration is a measure of the price sensitivity of a security
or a portfolio to relative changes in interest rates.  For instance,  a duration
of "one" means that a  portfolio's  or a  security's  price would be expected to
change by approximately one percent with a one percent change in interest rates,
while a duration of "five"  would imply that the price would move  approximately
five  percent in  relation to a one percent  change in interest  rates.  Futures
contracts  can be sold to  effectively  shorten  an  otherwise  longer  duration
portfolio.  In the same sense,  futures contracts can be purchased to lengthen a
portfolio that is shorter than its duration  target.  Thus, by buying or selling
futures contracts,  the Trust can effectively "hedge" more volatile positions so
that  changes in  interest  rates do not change the  duration  of the  portfolio
unexpectedly.

    The Trust may  invest  in  financial  futures  contracts  primarily  for the
purpose of hedging its existing  portfolio  securities or  securities  the Trust
intends  to  purchase  against  fluctuations  in  value  caused  by  changes  in
prevailing market interest rates.  Should interest rates move unexpectedly,  the
Trust  may  not  achieve  the  anticipated  benefits  of the  financial  futures
contracts and may realize a loss. The use of futures  transactions  involves the
risk of imperfect  correlation  in movements in the price of futures  contracts,
interest rates and the underlying hedged assets.

Short Sales: The Trust may make short sales of securities as a method of hedging
potential  declines in similar  securities  owned.  When the Trust makes a short
sale, it may borrow the security sold short and deliver it to the  broker-dealer


                                       11


<PAGE>

(Left column)

through which it made the short sale as collateral for its obligation to deliver
the security  upon  conclusion  of the sale.  The Trust may have to pay a fee to
borrow the  particular  securities and may be obligated to pay over any payments
received on such borrowed securities.  A gain, limited to the price at which the
Trust sold the security short, or a loss, unlimited as to dollar amount, will be
recognized  upon the  termination of a short sale if the market price is greater
or less than the proceeds originally received.

Securities  Transactions  and Investment  Income:  Securities  transactions  are
recorded  on the trade date.  Realized  gains and losses are  calculated  on the
identified cost basis.  Interest income is recorded on the accrual basis and the
Trust  amortizes  premium and accretes  original  issue  discount on  securities
purchased using the interest method.

Federal  Income  Taxes:  It is the  Trust's  intention  to  continue to meet the
requirements  of the Internal  Revenue Code  applicable to regulated  investment
companies  and to distribute  sufficient  net income to  shareholders.  For this
reason and because  substantially  all of the Trust's  gross income  consists of
tax-exempt interest, no Federal income tax provision is required.

Dividends  and  Distributions:   The  Trust  declares  and  pays  dividends  and
distributions to common  shareholders  monthly from net investment  income,  net
realized short-term capital gains and other sources, if necessary. Net long-term
capital  gains,  if any,  in excess  of loss  carryforwards  may be  distributed
annually.  Dividends and  distributions  are recorded on the  ex-dividend  date.
Dividends and distributions to preferred shareholders are accrued and determined
as described in Note 4.

Deferred  Organization  Expenses:  A total of $65,000 was incurred in connection
with the organization of the Trust. These costs have been deferred and are being
amortized  ratably  over a period  of  sixty  months  from  the  date the  Trust
commenced investment operations.

Reclassification of Capital Accounts: Effective January 1, 1994, the Trust began
accounting  and reporting for permanent  differences  between  financial and tax
reporting  in  accordance  with  the  American  Institute  of  Certified  Public
Accountants' Statement of Position 93-2: Determination, Disclosure and Financial
Statement   Presentation   of  Income,   Capital  Gain  and  Return  of  Capital
Distributions by Investment Companies.  The effect of adopting the statement for
the six months  ended April 30, 1996 was to increase  accumulated  net  realized
loss and increase undistributed net investment income by $44,488. Net investment
income, net realized gains and net assets were not affected by this change.


Note 2. Agreements   The Trust has an  Investment  Advisory  Agreement  with 





(Right column)

                     the Adviser and an Administration Agreement with  Princeton
Administrators L.P. (the  "Administrator"),  an indirect wholly owned-subsidiary
of Merrill Lynch & Co., Inc.

    The  investment  fee paid to the  Adviser is  computed  weekly  and  payable
monthly at an annual rate of 0.35% of the Trust's  average weekly net investment
assets. The administration fee paid to the Administrator is also computed weekly
and payable monthly at an annual rate of 0.15% of the Trust's average weekly net
investment assets.

    Pursuant to the agreements,  the Adviser provides continuous  supervision of
the investment  portfolio and pays the compensation of officers of the Trust who
are  affiliated  persons of the Adviser.  The  Administrator  pays occupancy and
certain  clerical and accounting  costs of the Trust.  The Trust bears all other
costs and expenses.

    On February 28, 1995, the Adviser was acquired by PNC Bank,  N.A.  Following
the acquisition,  the Adviser has become a wholly-owned  corporate subsidiary of
PNC Asset Management Group, Inc., the holding company for PNC's asset management
businesses.


Note 3. Portfolio   Purchases  and  sales of investment  securities,  other than
Securities          short-term investments, for the period ended April 30, 1996,
                    aggregated $283,933,850 and $292,341,112, respectively.

    The federal  income tax basis of the Trust's  investments  at April 30, 1996
was  substantially  the  same  as  the  basis  for  financial   reporting,   and
accordingly,   net  unrealized   appreciation  was  $445,482  (gross  unrealized
appreciation-$6,084,433, gross unrealized depreciation-$5,638,951).

    For federal income tax purposes,  the Trust had a capital loss  carryforward
at October  31,  1995 of  approximately  $5,093,000  which will  expire in 2002.
Accordingly,   no  capital  gains   distribution  is  expected  to  be  paid  to
shareholders until net gains have been realized in excess of such amount.


Note 4. Capital      There are 200 million shares of $.01 par value common stock
                     authorized.  Of the 16,707,093 common shares outstanding at
April 30, 1996, the Adviser owned 7,093 shares. As of April 30, 1996, there were
5,200 shares of preferred  stock  outstanding  as follows:  Series  T7-2,600 and
Series T8-2,600.

    Offering costs ($1,046,346)  incurred in connection with the underwriting of
the Trust's  common stock have been charged to paid-in  capital in excess of par
of the common stock.

                                       12




<PAGE>

(Left column)

    The Trust may classify or  reclassify  any  unissued  shares of common stock
into  one or more  series  of  preferred  stock.  On April 1,  1993,  the  Trust
reclassified  2,600 shares of common stock and issued 2 series of Auction Market
Preferred Stock ("Preferred Stock") as follows:  Series T7-1,300 shares,  Series
T28-1,300  shares.  The Preferred  Stock had a liquidation  value of $50,000 per
share plus any accumulated but unpaid  dividends.  On May 16, 1995  shareholders
approved a proposal to split each share of the Trust's Auction Market  Preferred
Stock  into two  shares  and  simultaneously  reduce  each  share's  liquidation
preference  from  $50,000 to $25,000 per share plus any  accumulated  but unpaid
dividends. The stock split occurred on July 24, 1995.

    The  underwriting   discount  ($1,950,000)  and  offering  costs  ($328,828)
incurred in connection  with the Preferred  Stock  offering have been charged to
paid-in capital in excess of par of the common stock.

    Dividends on Series T7 are  cumulative at a rate which is reset every 7 days
based on the results of an auction.  Dividends on Series T28 are also cumulative
at a rate  which is reset  every 28 days  based on the  results  of an  auction.
Dividend  rates ranged from 3.30% to 5.50% during the six months ended April 30,
1996.

    The Trust may not declare dividends or make  otherdistributions on shares of
common  stock or purchase  any such  shares if, at the time of the  declaration,
distribution,  or  purchase,  asset  coverage  with  respect to the  outstanding
Preferred Stock would be less than 200%.

    The Preferred Stock is redeemable at the option of the Trust, in whole or in
part, on any dividend  payment date at 



(Right columm)

$25,000  per share  plus any  accumulated  or unpaid  dividends  whether  or not
declared. The Preferred Stock is also subject to mandatory redemption at $25,000
per share plus any accumulated or unpaid dividends,  whether or not declared, if
certain  requirements  relating to the composition of the assets and liabilities
of the Trust as set forth in the Articles of Incorporation are not satisfied.

    The holders of  Preferred  Stock have voting  rights equal to the holders of
common stock (one vote per share) and will vote  together with holders of shares
of common stock as a single class. However,  holders of Preferred Stock are also
entitled to elect two of the Trust's  directors.  In  addition,  the  Investment
Company Act of 1940  requires  that,  along with approval by  stockholders  that
might  otherwise be  required,  the approval of the holders of a majority of any
outstanding  preferred shares, voting separately as a class would be required to
(a) adopt any plan of  reorganization  that would adversely affect the preferred
shares, and (b) take any action requiring a vote of security holders, including,
among other  things,  changes in the Trust's  subclassification  as a closed-end
investment company or changes in its fundamental investment restrictions.


Note 5. Dividends    Subsequent to April 30, 1996, the Board of Directors of the
and Distributions    Trust  declared a dividend from  undistributed  earnings of
                     $0.0656   per  common   share   payable  May  31,  1996  to
shareholders of record on May 15, 1996.

    For the period May 1, 1996  through  May 31,  1996,  dividends  declared  on
Preferred Stock totalled $405,475 in aggregate for the two outstanding Preferred
Stock series.


Note 6. Quarterly Data


<TABLE>
<CAPTION>
- ------------------------------------------------------------------------------------------------------------------------------------
                                                                Net increase/   
                                            Net realized and    decrease in
                                               unrealized      net investment  
                            Net investment   gains (losses)   assets resulting   Dividends and distributions
                                income       on investments    from operations Common shares Preferred shares*              Period
                                      Per              Per               Per              Per           Per  Share price of   end
  Quarterly      Total              Common           Common            Common           Common        Common  Common stock net asset
   period        income     Amount   share  Amount   share   Amount     share   Amount   share  Amount share   High    Low   value
  ---------      ------     --------------  --------------   ----------------   --------------  ------------  -------------- -------
<S>            <C>        <C>        <C>   <C>         <C>   <C>         <C>   <C>        <C>   <C>      <C>   <C>    <C>    <C>
November 1, 
  1993 to 
  January 31,
  1994         $5,029,133 $4,393,508 $0.26 $ 3,889,764 $0.23 $ 8,283,272 $0.49 $3,759,096 $0.23 $ 776,163 $.05 $14.50 $13.00 $14.99

February 1, 
  1994 to 
  April 30, 
  1994          5,158,071  4,551,640  0.27 (32,246,232)(1.92)(27,694,592)(1.65) 3,759,096  0.23   754,441 0.04  14.00  11.625 13.04

May 1, 
  1994 to 
  July 31, 
  1994          4,963,953  4,280,193  0.26   4,049,327  0.24   8,329,520  0.50  3,759,025  0.22   957,960 0.06  12.50  11.750 13.26

August 1, 
  1994 to 
  October 31, 
  1994          5,128,692  4,473,476  0.27 (19,857,823)(1.19)(15,384,347)(0.92) 3,759,051  0.22 1,038,714 0.06  12.00  10.125 12.05

November 1,
  1994 to
  January 31, 
  1995          5,167,141  4,505,179  0.27  10,324,567  0.62  14,829,746  0.89  3,759,096  0.22 1,289,763 0.08  11.50   9.750 12.64

February 1, 
  1995 to 
  April 30, 
  1995          5,256,532  4,656,763  0.28  11,243,606  0.67  15,900,369  0.95  3,445,751  0.20 1,276,017 0.08  12.25  11.250 13.31

May 1, 
  1995 to 
  July 31, 
  1995          5,251,803  4,622,475  0.28   5,576,430  0.33  10,198,905  0.61  3,289,160  0.20 1,336,807 0.08  12.25  11.375 13.64

August 1, 
  1995 to 
  October 31, 
  1995          5,200,417  4,555,429  0.27   9,084,105  0.54  13,639,534  0.81  3,289,154  0.20 1,235,030 0.07  12.00  11.375 14.18

November 1,
  1995 to 
  January 31, 
  1995          5,173,253  4,502,933  0.27   9,286,914  0.56  13,789,847  0.83  3,528,881  0.21 1,310,376 0.08  12.625 11.875 14.72

February 1,
  1996 to 
  April 30, 
  1996          5,143,005  4,487,437  0.27 (13,425,805)(0.80) (8,938,368)(0.54) 3,289,097  0.19 1,105,076 0.07  13.000 11.875 13.92
- ------------------------------------------------------------------------------------------------------------------------------------

<FN>
*For the six months  ended April 30, 1996 the  average  annualized  rate paid to
 preferred shareholders was 3.73%.
</FN>
</TABLE>

                                       13

<PAGE>

- --------------------------------------------------------------------------------
              THE BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC.
                             ADDITIONAL INFORMATION
- --------------------------------------------------------------------------------

    There have been no material changes in the Trust's investment  objectives or
policies that have not been approved by the  shareholders,  or to its charter or
by-laws,  or in the principal  risk factors  associated  with  investment in the
Trust.  There have been no changes in the persons who are primarily  responsible
for the day-to-day management of the Trust's portfolio.

    The Annual Meeting of Trust Shareholders was held May 8, 1996 to vote on the
following matters:

    (1) To elect three Directors to serve as follows:

        Director                                 Class      Term       Expiring
        --------                                 -----      ----       --------
        Andrew F. Brimmer ....................    III      3 years       1999
        Kent Dixon ...........................    III      3 years       1999
        Laurence D. Fink .....................    III      3 years       1999

Directors  whose term of office  continues  beyond  this  meeting are Richard E.
Cavanagh,  Frank J. Fabozzi,  James Grosfeld,  James Clayburn  LaForce,  Jr. and
Ralph L. Schlosstein.

    (2) To ratify the selection of Deloitte & Touche LLP as  independent  public
        accountants of the Trust for the fiscal year ending October 31, 1996.

Shareholders  elected the three Directors and ratified the selection of Deloitte
& Touche LLP. The results of the voting was as follows:

                                           Votes for  Votes Against  Abstentions
                                           ---------  -------------  -----------
    Andrew F. Brimmer ...................  12,251,153        0         245,790
    Kent Dixon ..........................  12,258,932        0         238,011
    Laurence D. Fink ....................  12,256,667        0         240,276
    Ratification of Deloitte & Touche LLP  12,230,684        0         240,276


- --------------------------------------------------------------------------------
                           DIVIDEND REINVESTMENT PLAN
- --------------------------------------------------------------------------------

    Pursuant  to  the  Trust's   Dividend   Reinvestment   Plan  (the   "Plan"),
shareholders will  automatically have all distributions of dividends and capital
gains  reinvested  by Boston  EquiServe  (the  "Plan  Agent")  in Trust  shares.
Shareholders  who do not participate in the Plan will receive all  distributions
in  cash  paid  by  check  in  United  States  dollars  mailed  directly  to the
shareholders  of record (or if the  shares  are held in street or other  nominee
name, then to the nominee) by the transfer agent, as dividend disbursing agent.

    The Plan Agent serves as agent for the  shareholders  in  administering  the
Plan.  After the Trust  declares a dividend or determines to make a capital gain
distribution,  the Plan Agent will, as agent for the  participants,  receive the
cash  payment and use it to buy Trust  shares in the open market on the New York
Stock Exchange for the participants'  accounts.  The Trust will not issue shares
under the Plan.

    Participants  in the Plan may withdraw from the Plan upon written  notice to
the Plan Agent and will receive  certificates  for whole Trust shares and a cash
payment for any fraction of a Trust share.

    The Plan Agent's fees for the handling of the  reinvestment of dividends and
distributions  will be paid by the Trust.  However,  each participant will pay a
pro rata  share of  brokerage  commissions  incurred  with  respect  to the Plan
Agent's open market  purchases in connection with the  reinvestment of dividends
and  distributions.  The automatic  reinvestment of dividends and  distributions
will not relieve  participants of any federal,  state or local income taxes that
may be payable on such dividends or distributions.

    Experience   under  the  Plan  may  indicate  that  changes  are  desirable.
Accordingly,  the Trust  reserves  the right to amend or  terminate  the Plan as
applied to any dividend or distribution paid subsequent to written notice of the
change sent to all  shareholders of the Trust at least 90 days before the record
date  for the  dividend  or  distribution.  The  Plan  also  may be  amended  or
terminated  by the Plan  Agent  upon at least 90  days'  written  notice  to all
shareholders  of the Trust.  All  correspondence  concerning  the Plan should be
directed  to the Plan Agent at (800)  699-1BFM.  The  address is on the front of
this report.

                                       14


<PAGE>

- --------------------------------------------------------------------------------
              THE BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC.
                               INVESTMENT SUMMARY
- --------------------------------------------------------------------------------

The Trust's Investment Objective

The BlackRock  Investment Quality Municipal Trust's  investment  objective is to
provide high current  income exempt from regular  Federal  income tax consistent
with the preservation of capital.


Who Manages the Trust?

BlackRock  Financial  Management,  Inc.  ("BlackRock"  or the  "Adviser") is the
investment adviser for the Trust.  BlackRock is a registered  investment adviser
specializing in fixed income securities.  Currently,  BlackRock manages over $41
billion of assets  across the  government,  mortgage,  corporate  and  municipal
sectors.  These  assets are managed on behalf of  institutional  and  individual
investors in 21 closed-end funds traded on either the New York or American Stock
Exchanges,  several  open-end  funds and over 80 separate  accounts  for various
clients  in the U.S.  and  overseas.  BlackRock  is a  subsidiary  of PNC  Asset
Management  Group which is a division  of PNC Bank,  N.A.,  one of the  nation's
largest banking organizations.


What Can the Trust Invest In?

Under normal  conditions,  the Trust expects to continue to manage its assets so
that at least  80% of its  investments  are  rated  investment  grade  ("BBB" by
Standard & Poor's and "Baa" by Moody's  Investor  Services) and up to 20% of its
assets may instead be deemed to be of equivalent  credit quality by the Adviser.
Examples of the types of securities that the Trust may invest in include general
obligation bonds,  which are backed by the full taxing power of the municipality
(states,  counties and cities), and revenue bonds, which are backed by a revenue
source  associated with the issuing  municipality  or by a special tax.  Revenue
bonds  include  those that are backed by  revenues  generated  by  universities,
hospitals,  housing  developments,  utilities,  public  facilities,  toll roads,
airports, etc.


What is the Adviser's Investment Strategy? 

The Adviser will manage the assets of the Trust in  accordance  with the Trust's
investment  objective and policies to seek to achieve its objective by investing
in municipal  debt  securities  that are  diversified  both  geographically  and
according to revenue source. As such, the Adviser actively manages the assets in
relation  to market  conditions  and  interest  rate  changes.  In  seeking  the
investment  objective,  the Trust does not expect to invest more than 25% of its
total assets in municipals that are issued by the same state. Depending on yield
and  portfolio  allocation  considerations,  the  Adviser may choose to invest a
portion of the Trust's  assets in securities  which pay interest that is subject
to AMT  (alternative  minimum  tax). It is expected that no more than 20% of the
assets of the Trust will be invested in municipals subject to such a tax.

Under current market conditions the use of leverage  increases the income earned
by the Trust.  The Trust  employs  leverage  primarily  through the  issuance of
preferred  stock.   Preferred  stockholders  will  receive  dividends  based  on
short-term rates in exchange for allowing the Trust to borrow additional assets.
These assets will be invested in longer-term assets which typically offer higher
interest  rates and the  difference  between the cost of the  dividends  paid to
preferred  stockholders  and the interest earned on the  longer-term  securities
will provide higher income levels for common  stockholders in most interest rate
environments.  The Trust issued  preferred  stock to leverage  the  portfolio at
approximately  35% of total  assets.  To protect  the common  stockholders  from
increases in the cost of the  preferred  stock  dividends,  the Trust invests in
securities called "additional interest bonds" or "embedded caps", which can help
to limit the risk of increasing  costs of leverage in a rising  interest rate or
flattening  yield curve  environment.  These bonds pay additional  interest when
short-term  municipal interest rates rise above a predetermined  rate, or "cap".
These  securities  are used,  when available in the  marketplace,  to attempt to
offset  increases in the interest paid to preferred  stockholders  and may allow
the Trust to maintain  dividend  levels to common  stockholders in interest rate
environments  where the yield curve is either flat or  inverted.  See  "Leverage
Considerations in the Trust" below.


How Are the Trust's  Shares  Purchased  and Sold?  Does the Trust Pay  Dividends
Regularly?

The  Trust's  shares are traded on the New York Stock  Exchange  which  provides
investors with  liquidity on a daily basis.  Orders to buy or sell shares of the
Trust must be placed through a registered broker or financial advisor. The Trust
pays monthly  dividends which are typically paid on the last business day of the
month. For shares held in the shareholder's name, dividends may be reinvested in
additional



                                       15

<PAGE>

shares  of the fund  through  the  Trust's  transfer  agent,  Boston  EquiServe.
Investors who wish to hold shares in a brokerage account should check with their
financial  advisor to determine  whether their  brokerage  firm offers  dividend
reinvestment services.


Leverage Considerations in the Trust

Leverage  increases  the duration (or price  sensitivity  of the net assets with
respect to changes  in  interest  rates) of the  Trust,  which can  improve  the
performance  of the Trust in a  declining  rate  environment,  but can cause net
assets to decline  faster in a rapidly  rising  interest rate  environment.  The
Trust may reduce,  or unwind,  the amount of leverage  employed should BlackRock
consider that  reduction to be in the best  interests of the Trust.  BlackRock's
portfolio managers  continuously monitor and regularly review the Trust's use of
leverage  and  maintain  the  ability to unwind the  leverage  if that course is
chosen.  As mentioned  above, the Trust will attempt to maintain a percentage of
its investments in additional  interest bonds which may help protect the Trust's
income from increases in the cost of leverage.


Special Considerations and Risk Factors Relevant to the Trust

The Trust is  intended  to be a  long-term  investment  and is not a  short-term
trading vehicle.

Investment  Objective.  Although  the  objective of the Trust is to provide high
current  income  exempt from  regular  Federal  income tax  consistent  with the
preservation  of capital,  there can be no assurance that this objective will be
achieved.

Dividend  Considerations.  The income and dividends paid by the Trust are likely
to vary over time as fixed income market conditions change. Future dividends may
be higher or lower than the dividend the Trust is currently paying.

Leverage.  The Trust utilizes leverage through  preferred stock,  which involves
special risks. The Trust's net asset value and market value may be more volatile
due to its use of leverage.

Market Price of Shares.  The shares of closed-end  investment  companies such as
the Trust trade on the New York Stock  Exchange  (NYSE symbol:  BKN) and as such
are subject to supply and demand influences.  As a result, shares may trade at a
discount or a premium to their net asset value.

Investment Grade Municipal  Obligations.  The value of municipal debt securities
generally  varies  inversely with changes in prevailing  market  interest rates.
Depending  on the amount of call  protection  that the  securities  in the Trust
have, the Trust may be subject to certain  reinvestment risks in environments of
declining interest rates.

Illiquid  Securities.  The Trust may  invest in  securities  that are  illiquid,
although  under current  market  conditions the Trust expects to do so to only a
limited extent. These securities involve special risks.

Antitakeover  Provisions.  Certain antitakeover provisions will make a change in
the Trust's  business or management  more difficult  without the approval of the
Trust's Board of Directors and may have the effect of depriving  shareholders of
an  opportunity  to sell their shares at a premium above the  prevailing  market
price.

                                       16


<PAGE>

- --------------------------------------------------------------------------------
              THE BLACKROCK INVESTMENT QUALITY MUNICIPAL TRUST INC.
                                    GLOSSARY
- --------------------------------------------------------------------------------

Closed-End Fund:         Investment  vehicle  which  initially  offers  a  fixed
                         number of shares  and trades on a stock  exchange.  The
                         fund invests in a portfolio of securities in accordance
                         with its stated investment objectives and policies.

Discount:                When a fund's net asset value is greater than its stock
                         price the fund is said to be trading at a discount.

Dividend:                Income  generated  by  securities  in a  portfolio  and
                         distributed  to  shareholders  after the  deduction  of
                         expenses.  This Trust  declares  and pays  dividends to
                         common shareholders on a monthly basis.

Dividend Reinvestment:   Shareholders  may  elect  to  have  all  dividends  and
                         distributions of capital gains automatically reinvested
                         into additional shares of the Trust.

Embedded Cap Bonds:      Also  known as  additional  interest  municipal  bonds.
                         These  securities  are  intended  to protect the income
                         that a fund earns  through  leverage  from  significant
                         increases  in  short-term  rates.  The  coupon on these
                         bonds   will   increase   if  short   term  rates  rise
                         significantly.

Market Price:            Price per share of a security  trading in the secondary
                         market.  For a  closed-end  fund,  this is the price at
                         which  one  share  of the  fund  trades  on  the  stock
                         exchange.  If you were to buy or sell shares, you would
                         pay or receive the market price.

Net Asset Value (NAV):   Net  asset  value  is the  total  market  value  of all
                         securities  and other  assets  held by the Trust,  plus
                         income   accrued   on  its   investments,   minus   any
                         liabilities including accrued expenses,  divided by the
                         total  number  of   outstanding   shares.   It  is  the
                         underlying  value of a single share on a given day. Net
                         asset  value for the  Trust is  calculated  weekly  and
                         published  in  Barron's  on  Saturday  and The New York
                         Times or The Wall Street Journal each Monday.

Premium:                 When a fund's stock price is greater than its net asset
                         value, the fund is said to be trading at a premium.



                                       17

<PAGE>

- --------------------------------------------------------------------------------
                      BLACKROCK FINANCIAL MANAGEMENT, INC.
                                   AN OVERVIEW
- --------------------------------------------------------------------------------

    BlackRock  Financial  Management  (BlackRock)  is  a  registered  investment
adviser which specializes in managing high quality fixed income securities, both
taxable and tax exempt.  BlackRock  currently manages over $41 billion of assets
across the government,  mortgage,  corporate and municipal sectors. These assets
are managed on behalf of many  individual  investors  in  twenty-one  closed-end
funds  traded on either the New York or American  stock  exchanges,  and several
open-end funds and on behalf of more than 80 institutional clients in the United
States and overseas.  BlackRock's  institutional investor base includes Chrysler
Corporation  Master Retirement Trust,  General  Retirement System of the City of
Detroit,  State Treasurer of Florida,  Ford Motor Company Pension Plan,  General
Electric Pension Trust and Unisys Corporation Master Trust.

    BlackRock was formed in April 1988 by fixed income  professionals who sought
to create  an asset  management  firm  specializing  in  managing  fixed  income
securities for individuals and  institutional  investors.  The  professionals at
BlackRock have extensive experience creating, analyzing and trading a variety of
fixed income instruments,  including the most complex structured securities.  In
fact, individuals at BlackRock are responsible for many of the major innovations
in the  mortgage-backed  and  asset-backed  securities  markets,  including  the
creation of the CMO, the floating rate CMO, the senior/subordinated pass-through
and the multi-class asset-backed security.

    BlackRock  is  unique  among  asset  management  and  advisory  firms in the
significant  emphasis it places on the  development  of  proprietary  analytical
capabilities.  A quarter of the professionals at BlackRock work full-time in the
design,  maintenance  and use of such systems  which are otherwise not generally
available to investors.  BlackRock's  proprietary  analytical tools are used for
evaluating,  investing in and designing investment  strategies and portfolios of
fixed  income  securities,   including  mortgage   securities,   corporate  debt
securities or tax-exempt securities and a variety of hedging instruments.

    BlackRock  has  developed  investment  products  which respond to investors'
needs and has been  responsible  for several  major  innovations  in  closed-end
funds.  BlackRock  introduced  the first  closed-end  mortgage  fund,  the first
taxable  and  tax-exempt  closed-end  funds to offer a finite  term,  the  first
closed-end  fund to achieve a AAAf  rating by  Standard & Poor's,  and the first
closed-end  fund to invest  primarily in North American  Government  securities.
BlackRock's  closed-end funds currently have dividend  reinvestment  plans which
are  designed  to  provide  an  ongoing  source of  demand  for the stock in the
secondary market. BlackRock manages a ladder of alternative investment vehicles,
with each fund having specific investment objectives and policies.

    In view of our  continued  desire to  provide a high level of service to all
our shareholders, BlackRock maintains a toll-free number for your questions. The
number is (800) 227-7BFM (7236).  We encourage you to call us with any questions
you may have about your  BlackRock  funds and thank you for the continued  trust
you place in our abilities.



                      If you would like further information
           please do not hesitate to call BlackRock at (800) 227-7BFM

                                       18


<PAGE>

(Left column)


BlackRock

Directors
Laurence D. Fink, Chairman
Andrew F. Brimmer
Richard E. Cavanagh
Kent Dixon
Frank J. Fabozzi
James Grosfeld
James Clayburn La Force, Jr.
Ralph L. Schlosstein

Officers
Ralph L. Schlosstein, President
Keith T. Anderson, Vice President
Michael C. Huebsch, Vice President
Robert S. Kapito, Vice President
Kevin Klingert, Vice President
Richard M. Shea, Vice President/Tax
Henry Gabbay, Treasurer
James Kong, Assistant Treasurer
Karen H. Sabath,  Secretary

Investment Adviser
BlackRock Financial Management, Inc.
345 Park Avenue
New York, NY 10154
(800) 227-7BFM

Administrator
Princeton Administrators L.P.
P.O. Box 9095
Princeton, NJ 08543-9095
(800) 688-0928

Custodian
State Street Bank and Trust Company
One Heritage Drive
North  Quincy,  MA 02171 

Transfer Agent 
Boston EquiServe L.P.
150 Royall Street
Canton, MA 02021
(800) 699-1BFM

Auction Agent 
Bankers Trust Company 
4 Albany Street 
New York, NY 10006 

Independent Auditors 
Deloitte & Touche LLP 
Two World Financial Center 
New York, NY 10281-1434 

Legal Counsel
Skadden, Arps, Slate, Meagher & Flom
919 Third Avenue
New York, NY 10022

  The  accompanying  financial  statements as of April 30, 1996 were not audited
and, accordingly, no opinion is expressed on them.

  This report is for shareholder information.  This is not a prospectus intended
for use in the purchase or sale of any securities.

              The BlackRock Investment Quality Municipal Trust Inc.
                        c/o Princeton Administrators L.P.
                                  P.O. Box 9095
                            Princeton, NJ 08543-9095
                                 (800) 227-7BFM
                                                                      09247D-105
                                                                      09247D-204
                                                                      09247D-303

(Right column)

The BlackRock
Investment Quality
Municipal Trust Inc.

- --------------------

Semi-Annual Report
April 30, 1996




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